نتایج جستجو برای: crypt depth
تعداد نتایج: 164930 فیلتر نتایج به سال:
عنوان پایان نامه:بررسی عمق توانهای ایده آل یالی یک درخت فرض کنیدg یک گراف با n رأس و i(g) ایده آل یالی آن از حلقه چند جمله ایها،r=k[x1,x2,…,xn]،روی میدانk با nمتغیر باشد. فرض کنید i ایده آل یالی یک درخت یا جنگل باشد. در این پایان نامه کرانهای پایینی برای دنباله {depth rit}t?1 بدست می آوریم و نشان می دهیم این کرانهای پایین، نقطه ایستایی دنباله 1? {depth rit}tاست هرگاه g یک درخت باشد.
Alanyl-glutamine (Ala-Gln) has recently been shown to enhance catch-up growth and gut integrity in undernourished children from Northeast Brazil. We hypothesized that the intestinal epithelial effects of Ala-Gln in malnourished weanling mice and mouse small intestinal epithelial (MSIE) cells would include modulation of barrier function, proliferation, and apoptosis. Dams of 10-day-old suckling ...
BACKGROUND/AIMS Dietary fibre influence growth and function of the upper gastrointestinal tract. This study investigates the importance of dietary fibre in intestinal growth in experimental diabetes, and correlates intestinal growth with plasma levels of the intestinotrophic factor, glucagon-like peptide 2 (GLP-2). METHODS Male Wistar rats were randomised to the following groups: two streptoz...
BACKGROUND Catch-up growth after food restriction (CUGFR) is characterized by a significant change in food intake which could theoretically lead to the change in glucagon-like peptide-1 (GLP-1) secretion that consequently results in altered functions of pancreatic islets. METHODS Experimental rats were divided into two groups. Rats in CUGFR group were put on food-restriction for 4 weeks, and ...
BACKGROUND Epidermal growth factor (EGF) plays an important role in intestinal proliferation and differentiation. Previous studies by others have shown that administration of EGF into the ileum lumen enhances intestinal development. OBJECTIVE The objective was to examine the feasibility of expressing and delivering EGF via Lactococcus lactis to early-weaned mice to enhance intestinal developm...
The effects of indigestible carbohydrates, protein type, and protein level on large intestine health were examined in rats. For 21 days, 12 groups of six 12-week-old male Wistar rats were fed diets with casein (CAS), or potato protein concentrate (PPC), providing 14% (lower protein level; LP), or 20% (higher protein level; HP) protein, and containing cellulose, resistant potato starch, or pecti...
BACKGROUND Nucleoside-nucleotide mixture has been shown to improve gut morphology and reduce the incidence of bacterial translocation in protein deficient mice. AIMS To compare the reparative effect of nucleoside-nucleotide mixture and their individual components on maintenance of gut integrity and bacterial translocation based on their differential metabolism and utilisation. METHODS ICR (...
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